Home / 212,516.42-318,626.67-94,123.58

Finding the Fourth Proportional to 212,516.42, 318,626.67 and 94,123.58

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Solution

The fourth proportional to 212,516.42, 318,626.67 and 94,123.58 is: 141,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,516.42 : 318,626.67 = 94,123.58 : x
  2. Step 2: Convert to fraction form
    212,516.42/318,626.67 = 94,123.58/x
  3. Step 3: Cross multiply
    212,516.42x = 318,626.67 × 94,123.58
  4. Step 4: Simplify right side
    212,516.42x = 29,990,282,112.63
  5. Step 5: Solve for x
    x = 29,990,282,112.63/212,516.42
  6. Step 6: Final answer
    x = 141,119.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.